- transsummer
- Transom Tran"som, n. [Probably fr. L. transtrum a crossbeam,
transom, from trans across. Cf. {Trestle}.]
1. (Arch.) A horizontal crossbar in a window, over a door, or
between a door and a window above it. Transom is the
horizontal, as mullion is the vertical, bar across an
opening. See Illust. of {Mullion}.
[1913 Webster]
2. (Naut.) One of the principal transverse timbers of the stern, bolted to the sternpost and giving shape to the stern structure; -- called also {transsummer}. [1913 Webster]
3. (Gun.) The piece of wood or iron connecting the cheeks of some gun carriages. [1913 Webster]
4. (Surg.) The vane of a cross-staff. --Chambers. [1913 Webster]
5. (Railroad) One of the crossbeams connecting the side frames of a truck with each other. [1913 Webster]
{Transom knees} (Shipbuilding), knees bolted to the transoms and after timbers.
{Transom window}. (Arch.) (a) A window divided horizontally by a transom or transoms. (b) A window over a door, with a transom between. [1913 Webster]
The Collaborative International Dictionary of English. 2000.